analogous to that in the umbilicus of many shells, and 

 seemed to shew its more close alliance with the present 

 geilus. 



Can it be a monstrosity of a Natica, as the Cornu of 

 Born is said to be a malformation of Helix a-^qjcrsa. Mull. ? 

 Or is it in reality a Delphixula or Ciuiu s? However 

 this may be I take the earliest opportunity to present a 

 figure for the determination of Naturalists. 



REFERENCE TO THE PLATE. 



The plate presents a back and I'ront view of the slicll. 

 PLATE VII. D 



